/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendController.h
If true, adds an item to the set of all input names that are managed. Returns true if successfully added/removed, false if not.
bool SetInputInheritsDefault ( [FName](API\Runtime\Core\UObject\FName) InName, bool bDefaultIsInherited )